style.css

body {
    background: #000046;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #1CB5E0, #000046);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #1CB5E0, #000046); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    font-family: 'Open Sans', sans-serif;
    margin : auto;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.content {
    text-align: center;
    padding:10px;
}

#btQuotes{
    height:50px; width:150px;
    font-size: 18px;
    color:#ffffff;
    background-color: #000;
    border:none;
    padding:5px;
    border-radius: 5px;
    cursor: pointer;
}

.card{
    padding:15px 30px 15px 30px;
    margin:40px auto;
    max-width:500px;
    max-height:300px;
    text-align: center;
    background-color: #ffffff;
    border-radius: 5px;
    }